《Past and Present》GrammarPPT
《Past and Present》GrammarPPT第3页

How long has Mr. Chen lived in Sunshine Town? 2. Can Mr. Chen see his old friends as often as before?

He has lived here since he was born.

No. Because most of his old friends have moved away.

Lead-in Ask and answer

have + done(动词过去分词)

present perfect tense